1. Amirrezvani, A., Gulliver, J. S., & MacDonell, M. (2019). Water affordability assessment and benchmarking in the United States: A survey of practices and an application. Journal of Water Resources Planning and Management, 145(7), 05019007.
2. Andres, L., Brocklehurst, C., Grabinsky, J., Joseph, G., & Thibert, M. (2020). Measuring the affordability of water supply, sanitation, and hygiene services: A new approach. Water Economics and Policy, 06(03), 2050002.
3. Fujita, Y., Fujii, A., Furukawa, S., & Ogawa, T. (2005). Estimation of willingness-to-pay (WTP) for water and sanitation services through contingent valuation method (CVM). Japan Bank for International Cooperation - JBIC Review, 11, 59–87.
4. PCBS. (2017). Main Findings of Living Standards in Palestine (Expenditure, Consumption and Poverty) Palestinian Central Bureau of Statistics, State of Palestine.
5. PCBS. (2019). Labour Force Survey: Palestinian Central Bureau of Statistics, State of Palestine.